@CONFERENCE\{IMM2000-01172, author = "S. K. Johansen and O. Bang", title = "Soliton collisions in quadratic bulk media with a nonvanishing Kerr non-linearity", year = "2000", pages = "12-13", booktitle = "{DOPS} Nyt - Danish Optical Society News, Special issue on Northern Optics 2000", volume = "15", series = "", editor = "", publisher = "", organization = "", address = "", url = "http://www2.compute.dtu.dk/pubdb/pubs/1172-full.html" }